Cotton-Bur Separator. (open access)

Cotton-Bur Separator.

Patent for improvements in apparatus for separating burs from cotton lint despite severe weather conditions, illustrations included.
Date: August 20, 1918
Creator: Irwin, Samuel D.
System: The Portal to Texas History
Well-Casing Extractor (open access)

Well-Casing Extractor

Patent for a well-casing extractor that provides gripping rollers for engaging the casing, provides a supporting frame for the movable parts of the apparatus, and provides the means to drive the rollers by power or hand.
Date: August 16, 1921
Creator: {Price, Filmore M.}
System: The Portal to Texas History
Traction-Engine. (open access)

Traction-Engine.

Patent for traction engines used in farms that will make it easier to construct, make it less heavy, and cheaper to build.
Date: August 8, 1916
Creator: Roberts, Adrian J. & Wright, Wayne C., Sr.
System: The Portal to Texas History